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What is the road forward? SolarCity has done a tremendous job at reducing the installation cost per Watt. This is truly foundational. What they have lacked is discipline around growth appetite and marketing efficiency. Spending $0.58/W on sales is simply too high. Management acknowledges this and has shown in Q4 that they are cutting this cost. Marketing spend is obviously crucial to how fast they can grow. Waiting for lenders to pull the plug, as Benson has warned, is not the constraint that management should risk. It is not what should prevent SolarCity from installing 1250 MW this year. Rather, in my view it is marketing efficiency that should properly constrain growth. Management should only grow sales to the extent that they can end the year with more working capital. If that is less than 1.25 GW, so be it. But that need not be the case, if they improve marketing efficiency.
So where do they stand? 2015 Q4 the decline was $38.1 M on installation of 272 MW. This is $0.14/W that they must cut from total cost per Watt, but I believe most of it should come from sales. So sales and marketing was $0.56/W. I think they need to reduce this to $0.42/W. I believe this is possible. I also believe that the low 180 MW guidance gives them latitude to move in that direction.
In terms of price action, I think that once SolarCity starts to build working capital, putting an end to this 5 quarter run of declines, shorts will back off a bit and some investors will return. So I am looking to see some improvement in WC and sales $/W in Q1. It think progress here will stabilize the stock, and more progress in Q2 will boost the stock price. Right now, I think the rationale for buying the stock is that you believe that management will turn this corner such that the stock price will be increasing after Q1 ER. If you don't have that confidence in management, you should not be in this stock and should wait until WC starts improving.
As long as WC declines, the stock price will decline as well. This has little to do with the longterm prospects for solar or SolarCity in particular. I remain quite bullish for both. This is about whether management can manage cashflow and not crash the company in pursuit of shortterm growth target. This is not even a question of business model, although that is evolving anyway, but it is a question of managing cash flow. I believe our new CFOs at both SolarCity and Tesla get this.